document.write( "Question 233988: Find the y-intercept of the line through A(1, 2) and B(-3, -4). \n" ); document.write( "
Algebra.Com's Answer #172588 by rfer(16322)\"\" \"About 
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m=-4-2/-3-1=-6/-4=+1 1/2
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\n" ); document.write( "y-y1=m(x-x1)
\n" ); document.write( "y-2=1.5(x-1)
\n" ); document.write( "y-2=1.5x-1.5
\n" ); document.write( "y=1.5x+.5
\n" ); document.write( "----------------
\n" ); document.write( "y=mx+b
\n" ); document.write( "b=y int=.5
\n" ); document.write( "(0,.5)
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